make a http request with url parameters in csharp

main.cs
using System.Net.Http;
using System.Threading.Tasks;

public async Task<string> MakeRequestAsync()
{
    // Create an instance of HttpClient
    HttpClient httpClient = new HttpClient();

    // Build the URL with parameters
    string url = "http://example.com/api/resource";
    var parameters = new Dictionary<string, string>
    {
        { "param1", "value1" },
        { "param2", "value2" }
    };
    url += "?" + string.Join("&", parameters.Select(kv => $"{kv.Key}={kv.Value}"));

    // Make the request
    HttpResponseMessage response = await httpClient.GetAsync(url);

    // Read the response content as a string
    string responseBody = await response.Content.ReadAsStringAsync();

    return responseBody;
}
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